CN214402076U - Floor drain adaptation ring and garrulous floor drain of sending out - Google Patents

Abstract

The utility model relates to a floor drain adaptation ring and garrulous floor drain of sending out, the floor drain adaptation ring is used for installing between floor drain seat and floor drain apron, the floor drain adaptation ring is including the ring body and locating ring body circumference's spacing portion, ring body holding in the inlet port of floor drain seat, spacing portion overlap joint in the top surface of floor drain seat, the circumference of floor drain apron be equipped with the spacing groove of spacing looks adaptation, spacing portion with spacing cooperation in spacing groove. The floor drain adaptation ring of this scheme can effectively promote the adaptation nature of garrulous floor drain for garrulous floor drain can be installed on more floor drain seats of different specifications.

Description

Floor drain adaptation ring and garrulous floor drain of sending out

Technical Field

The utility model relates to a floor drain technical field especially relates to a floor drain adaptation ring and garrulous floor drain.

Background

The floor drain is an important interface for connecting a drainage pipeline system with the indoor ground, can keep indoor water and prevent odor from returning to the indoor. Most of the traditional floor drains do not have the function of cleaning hairs, so that the floor drain cover plate is easily wound and blocked by the hairs, and unsmooth drainage is caused. At present, a hair-breaking floor drain with a hair cleaning function appears in the market, and the floor drain cover plate of the hair-breaking floor drain can be used only by replacing the original floor drain cover plate and installing the floor drain cover plate on a floor drain base. When a consumer purchases the broken floor drain, the size of the floor drain seat of the consumer needs to be measured firstly, and then the broken floor drain matched with the consumer needs to be assembled, so that the operation is troublesome, and the situation that the purchased broken floor drain is not matched with the floor drain seat of the consumer frequently occurs due to measurement errors. Therefore, the existing broken hair floor drain has poor adaptability and cannot be well suitable for floor drain seats of various specifications.

SUMMERY OF THE UTILITY MODEL

Therefore, the floor drain adapting ring and the broken hair floor drain are needed to be provided aiming at the problems that the existing broken hair floor drain is poor in adaptability and cannot be well suitable for floor drain seats of various specifications.

The application provides a floor drain adapter ring, floor drain adapter ring is used for installing between floor drain seat and floor drain apron, floor drain adapter ring includes the ring body and locates the spacing portion of ring body circumference, the ring body holding in the inlet port of floor drain seat, spacing portion overlap joint in the top surface of floor drain seat, the circumference of floor drain apron be equipped with the spacing groove of spacing looks adaptation, spacing portion with spacing cooperation in the spacing groove.

The floor drain adapter ring can be used for quickly assembling the floor drain cover plate and the floor drain seat of the broken floor drain. When the floor drain adapter ring is assembled, the ring body of the floor drain adapter ring is accommodated in the water inlet hole of the floor drain seat, and the limiting part of the floor drain adapter ring is lapped on the top surface of the floor drain seat, so that the limiting assembly between the floor drain adapter ring and the floor drain seat is realized; then the floor drain cover plate of the hair-breaking floor drain is laminated on the floor drain adaptation ring, and the limiting part is accommodated in the limiting groove of the floor drain cover plate, so that the limiting assembly between the floor drain adaptation ring and the floor drain cover plate is realized; therefore, the broken hair floor drain can be integrally assembled on the floor drain seat. When the floor drain is sold, a plurality of different floor drain adaptation rings can be configured according to the specification and the size of the common floor drain seat on the market at present, and meanwhile, the floor drain adaptation rings can be matched with the floor drain cover plate of the broken floor drain. Therefore, when the floor drain cover plate is installed, a user only needs to select the floor drain adaptation ring adapted to the floor drain base of the user, and the floor drain cover plate of the broken floor drain can be installed on the floor drain base through the floor drain adaptation ring, so that the adaptability of the broken floor drain can be effectively improved under the condition that the size of the floor drain cover plate is not changed, and the broken floor drain can be installed on more floor drain bases of different specifications.

In one embodiment, at least two limiting parts are arranged at intervals in the circumferential direction of the ring body, at least two limiting grooves are arranged in the circumferential direction of the floor drain cover plate, and the limiting parts and the limiting grooves are arranged in a one-to-one correspondence mode.

In one embodiment, the limiting parts are spaced and uniformly arranged along the circumferential direction of the ring body.

In one embodiment, the inner circumferential surface of the water inlet hole is provided with a limiting step, and the ring body is lapped on the limiting step.

In one embodiment, the floor drain adapter ring further comprises an extension foot, one end of the extension foot is connected with the limiting part, the other end of the extension foot bends and extends towards the bottom surface of the floor drain seat, the extension foot is used for limiting the floor drain adapter ring in the floor drain seat, and the extension foot can deform under the action of external force.

In one embodiment, the extension foot comprises a plurality of joints and connecting parts which are alternately arranged along the length direction, and the thickness of the connecting parts is smaller than that of the joints.

The application further provides a hair breaking floor drain, which comprises a shearing mechanism, a floor drain cover plate and the floor drain adapter ring, wherein the floor drain cover plate is connected to the bottom of the shearing mechanism, and the floor drain cover plate is installed on a floor drain seat through the floor drain adapter ring.

In one embodiment, the hair-breaking floor drain further comprises a transition ring, the transition ring comprises a side surrounding frame and a supporting plate arranged at the inner edge of the bottom of the side surrounding frame, a containing groove is formed between the side surrounding frame and the supporting plate, the supporting plate is in press-connection with the top surface of the floor drain seat, a ring body of the floor drain adapter ring is contained in the central hole of the side surrounding frame, and a limiting part of the floor drain adapter ring is lapped on the supporting plate and contained in the containing groove.

In one embodiment, the transition ring further comprises a turning edge arranged on the outer side of the side surrounding frame, the turning edge inclines towards one side far away from the side surrounding frame from top to bottom, and the turning edge can deform in the up-down direction.

In one embodiment, the transition ring further comprises a support part arranged on the inner side of the side surrounding frame, the support part is used for supporting the floor drain cover plate, and the support part can deform under the action of external force.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is an assembly schematic diagram of a floor drain seat and a floor drain for broken hair according to a first embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1 without the cutting mechanism;

FIG. 3 is a schematic view of an exploded structure of the floor drain and the floor drain base of FIG. 1;

figure 4 is a schematic structural view of the floor drain adapter ring in figure 3;

FIG. 5 is a schematic view of the assembly of the floor drain seat and the floor drain for crushed hair according to the second embodiment;

FIG. 6 is a schematic cross-sectional view of FIG. 5 without the cutting mechanism;

FIG. 7 is a schematic view of an exploded structure of the floor drain and the floor drain seat of FIG. 5;

figure 8 is a schematic structural view of the floor drain adapter ring in figure 7;

FIG. 9 is an enlarged view of a portion of FIG. 8 at A;

fig. 10 is a schematic view of the transition ring of fig. 7.

10. A shearing mechanism; 20. a floor drain cover plate; 21. a limiting groove; 30. a floor drain adapter ring; 31. a ring body; 32. a limiting part; 33. an extension leg; 331. a joint; 332. a connecting portion; 40. a transition ring; 41. a side frame; 42. a support plate; 43. a containing groove; 44. folding edges; 45. a support portion; 50. a floor drain base; 51. a water inlet hole; 52. and a limiting step.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to fig. 1, the hair-cutting floor drain provided in the first embodiment of the present application includes a shearing mechanism 10, a floor drain cover plate 20 and a floor drain adapter ring 30, wherein the floor drain cover plate 20 is connected to the bottom of the shearing mechanism 10, and the floor drain cover plate 20 is mounted on a floor drain seat 50 through the floor drain adapter ring 30.

Specifically, the floor drain cover plate 20 is provided with a plurality of shearing holes, the shearing mechanism 10 is installed on the floor drain cover plate 20, a gap is formed between the bottom of the shearing mechanism 10 and the floor drain cover plate 20, the shearing mechanism 10 comprises a plurality of shearing pieces capable of moving in the vertical direction, the shearing pieces correspond to the shearing holes and can move downwards to be in shearing fit with the side walls of the corresponding shearing holes, and the floor drain cover plate 20 is installed on the floor drain seat 50 through the floor drain adapter ring 30. When more hair is wound on the floor drain cover plate 20 and needs to be cleaned, only the cutting piece of the cutting mechanism 10 needs to move downwards, the cutting piece can form a cutting acting force with the side wall of the cutting hole of the floor drain cover plate 20 in the downward movement process, then the hair wound on the floor drain cover plate 20 can be cut off, the cut hair can enter a drainage pipeline of the floor drain under the washing of water flow and be discharged, and therefore the hair can be effectively prevented from being blocked at the floor drain cover plate 20, and therefore the smooth drainage of the floor drain cover plate 20 can be effectively guaranteed. Moreover, the hair can be conveniently and quickly cleaned through the matching of the shearing mechanism 10 and the floor drain cover plate 20 without the need of cleaning by hands of a user, so that the convenience and the sanitation of hair cleaning can be effectively improved.

In the conventional hair-cutting floor drain, the floor drain cover plate 20 is usually directly mounted on the floor drain seat 50, but the specifications and sizes of the floor drain seats 50 mounted by different users are different, for example, the sizes of the water inlet holes 51 of the floor drain seat 50 are different, and the shapes of the water inlet holes 51 can be circular or square, etc. When a user purchases the floor drain with broken pieces, the size of the water inlet 51 of the floor drain base 50 needs to be measured carefully, and the floor drain cover plate 20 matched with the size can be selected to be installed, so that the operation is troublesome, and the situation that the purchased floor drain with broken pieces is not matched with the floor drain base 50 of the user often occurs due to measurement errors. The technical scheme of this application is through add floor drain adapter ring 30 between floor drain apron 20 and floor drain seat 50, realizes the assembly between floor drain apron 20 and the floor drain seat 50 through floor drain adapter ring 30. When the product is sold, a plurality of different floor drain adaptation rings 30 can be configured according to the specification and the size of the common floor drain seat 50 on the market at present, and meanwhile, the floor drain adaptation rings 30 can be matched with the floor drain cover plate 20 of the broken floor drain. Therefore, when a user installs the floor drain, the floor drain cover plate 20 of the broken floor drain can be ensured to be installed on the floor drain seat 50 through the floor drain adapting ring 30 only by selecting the floor drain adapting ring 30 which is adapted to the floor drain seat 50 of the user. Wherein, the floor drain adapter ring 30 can be made of plastic materials, for example, the floor drain adapter ring can be integrally formed by adopting a 3D printing technology, the manufacturing process is simple, and the cost can be effectively reduced. The following is mainly described in detail with respect to a specific embodiment of the floor drain adaptor ring 30.

Referring to fig. 2 to 4, in the floor drain adapter ring 30 provided in an embodiment of the present application, the floor drain adapter ring 30 is configured to be installed between a floor drain base 50 and a floor drain cover plate 20, the floor drain adapter ring 30 includes a ring body 31 and a limiting portion 32 disposed on a circumferential direction of the ring body 31, the ring body 31 is accommodated in a water inlet 51 of the floor drain base 50, the limiting portion 32 is overlapped on a top surface of the floor drain base 50, a limiting groove 21 adapted to the limiting portion 32 is disposed on the circumferential direction of the floor drain cover plate 20, and the limiting portion 32 is in limiting fit with the limiting groove 21.

The floor drain adapter ring 30 described above can be used for the quick assembly between the floor drain cover plate 20 and the floor drain seat 50 of a broken hair floor drain. When assembling, the ring body 31 of the floor drain adaptation ring 30 is accommodated in the water inlet hole 51 of the floor drain base 50, and the limiting part 32 of the floor drain adaptation ring 30 is lapped on the top surface of the floor drain base 50, so that the limiting assembly between the floor drain adaptation ring 30 and the floor drain base 50 is realized; then the floor drain cover plate 20 of the hair-crushing floor drain is laminated on the floor drain adaptation ring 30, and the limiting part 32 is accommodated in the limiting groove 21 of the floor drain cover plate 20, so that the limiting assembly between the floor drain adaptation ring 30 and the floor drain cover plate 20 is realized; thus, the hair-cutting floor drain can be integrally assembled to the floor drain base 50. When the product is sold, a plurality of different floor drain adaptation rings 30 can be configured according to the specification and the size of the common floor drain seat 50 on the market at present, and meanwhile, the floor drain adaptation rings 30 can be matched with the floor drain cover plate 20 of the broken floor drain. Therefore, when the floor drain cover plate is installed, a user can ensure that the floor drain cover plate 20 of the broken-hair floor drain can be installed on the floor drain seat 50 through the floor drain adapting ring 30 only by selecting the floor drain adapting ring 30 matched with the floor drain seat 50 of the user, so that the adaptability of the broken-hair floor drain can be effectively improved under the condition that the size of the floor drain cover plate 20 is not changed, and the broken-hair floor drain can be installed on more floor drain seats 50 with different specifications.

In order to further improve the assembling reliability, in this embodiment, at least two limiting portions 32 are arranged at intervals in the circumferential direction of the ring body 31, at least two limiting grooves 21 are arranged in the circumferential direction of the floor drain cover plate 20, and the limiting portions 32 and the limiting grooves 21 are arranged in a one-to-one correspondence manner. For example, as shown in fig. 3 and 4, four limiting portions 32 are provided at intervals in the circumferential direction of the ring body 31, and correspondingly, four limiting grooves 21 are provided in the circumferential direction of the floor drain cover plate 20. In addition, in practical application, the floor drain cover plate 20 can be set according to the shape of the water inlet 51 of the floor drain base 50, and can be set to be circular or square, and correspondingly, the floor drain adapter ring 30 is set to be a similar circular or square structure matched with the floor drain cover plate 20. Optionally, in this embodiment, the limiting portions 32 are spaced and uniformly arranged along the circumferential direction of the ring body 31. Therefore, the circumferential stress of the floor drain adaptation ring 30 is more uniform, so that the floor drain adaptation ring 30 can be stably assembled on the floor drain seat 50, and the overall assembly stability of the broken floor drain is further ensured.

Further, the inner circumferential surface of the water inlet hole 51 is provided with a limiting step 52, and the ring body 31 is lapped on the limiting step 52. For example, as shown in fig. 2 and 3, in the first embodiment, the water inlet 51 of the floor drain seat 50 is a circular hole, the inner circumferential surface of the water inlet 51 close to the top surface of the floor drain seat 50 is provided with an annular limiting step 52, correspondingly, the ring body 31 is circular, the bottom surface of the ring body 31 abuts against the limiting step 52, the limiting step 52 can support and limit the ring body 31, and therefore the assembling reliability between the floor drain adapter ring 30 and the floor drain seat 50 can be further ensured. In addition, if there is a gap between the floor drain adapter ring 30 and the floor drain seat 50, when water flows vertically and downwardly along the gap between the floor drain adapter ring 30 and the floor drain seat 50, the water flow can be changed into a transverse flow through the limiting step 52 when reaching the position of the limiting step 52, so that certain blocking effect on hairs in the water flow can be achieved, and the hairs are prevented from directly entering the water inlet hole 51 of the floor drain seat 50 to be blocked.

In addition, in an actual use environment, a certain installation height difference may exist between the floor drain seat 50 and the ground, for example, the top surface of the floor drain seat 50 may be lower than the ground, and in order to be able to well adapt to the height difference between the floor drain seat 50 and the ground, further, as shown in fig. 5 to 8, in the second embodiment, the floor drain adaptation ring 30 further includes an extension foot 33, one end of the extension foot 33 is connected with the limiting portion 32, and the other end of the extension foot is bent and extended toward the bottom surface of the floor drain seat 50, the extension foot 33 is used for limiting the floor drain adaptation ring 30 in the floor drain seat 50, and the extension foot 33 can deform under an external force. Specifically, the extension leg 33 bends downward and can deform in the vertical direction, when being installed, the bending deformation degree of the extension leg 33 can be adjusted to adapt to the height difference between the floor drain seat 50 and the ground, the floor drain adapter ring 30 can be limited in the floor drain seat 50 through the extension leg 33 without sliding, and after the floor drain cover plate 20 is assembled on the floor drain adapter ring 30, the floor drain cover plate 20 can be prevented from sliding.

For example, as shown in fig. 7, in the second embodiment, the water inlet hole 51 of the floor drain seat 50 is a square hole, correspondingly, the floor drain adapter ring 30 is a similar square structure, the ring body 31 of the floor drain adapter ring 30 is provided with a limiting portion 32 corresponding to four sides of the water inlet hole 51, and two opposite sides of each limiting portion 32 are provided with an extending leg 33. The plurality of extending feet 33 are matched to play a better limiting role.

With reference to fig. 8 and 9, in this embodiment, the extension leg 33 includes a plurality of joints 331 and connecting portions 332 alternately arranged along the length direction, and the thickness of the connecting portions 332 is smaller than that of the joints 331. Specifically, two adjacent joints 331 are connected by a connecting portion 332, and the thickness of the connecting portion 332 is relatively small to form a weak portion, so that the extending foot 33 as a whole presents a structure similar to a multi-section watchband, and such a structure can ensure that the extending foot 33 can deform in the up-down direction (i.e. the thickness direction), and can also avoid the extending foot 33 from being distorted and deformed.

In addition, the side frame of some floor drain seats 50 is usually designed to be narrow, in order to further ensure the assembling reliability between the floor drain seat 50 and the floor drain adapter ring 30, as shown in fig. 5 to 10, in the second embodiment, the floor drain for fragmented hair further includes a transition ring 40, the transition ring 40 includes a side surrounding frame 41 and a supporting plate 42 disposed at the inner edge of the bottom of the side surrounding frame 41, a containing groove 43 is formed between the side surrounding frame 41 and the supporting plate 42, the supporting plate 42 is pressed on the top surface of the floor drain seat 50, the ring body 31 of the floor drain adapter ring 30 is contained in the central hole of the side surrounding frame 41, and the limiting portion 32 of the adapter floor drain ring 30 is overlapped on the supporting plate 42 and contained in the containing groove 43.

Specifically, as shown in fig. 7, for the floor drain seat 50 having the square water inlet hole 51, a square-like transition ring 40 may be provided, when assembling, the transition ring 40 is assembled to the floor drain seat 50, then the floor drain adaptation ring 30 and the floor drain cover plate 20 are sequentially stacked on the support plate 42 of the transition ring 40 from bottom to top, the floor drain adaptation ring 30 is accommodated in the accommodating groove 43, and the displacement of the floor drain adaptation ring 30 along the horizontal direction can be limited by the side surrounding frame 41, so that the overall assembling reliability is ensured. In addition, if there is a gap between the floor drain adapter ring 30 and the side frame 41, when water flows vertically downward along the gap between the floor drain adapter ring 30 and the side frame 41, when the water reaches the supporting plate 42, the water flows can be changed into a transverse flow through the supporting plate 42, so that the hair in the water flows can be blocked to a certain extent, and the hair is prevented from directly entering the water inlet hole 51 of the floor drain seat 50 and being blocked.

Further, as shown in fig. 10, in this embodiment, the transition ring 40 further includes a folded edge 44 disposed outside the side surrounding frame 41, the folded edge 44 is inclined from top to bottom toward a side away from the side surrounding frame 41, and the folded edge 44 can deform in the vertical direction. When the floor drain is assembled, the turned edge 44 can be adapted to the uneven ground by deforming the turned edge 44, so that the turned edge 44 can be always abutted against the ground, and the seam between the floor drain seat 50 and the ground can be covered by the turned edge 44 to play a certain decorative role. Specifically, as shown in fig. 10, the side surrounding frame 41 of the transition ring 40 is substantially square, and each side of the side surrounding frame 41 is provided with a folded edge 44, and the folded edges 44 are separated from each other and can be independently deformed. When the ground is uneven in height, the folding deformation degree of each folding edge 44 can be adjusted to ensure that each folding edge 44 can be abutted against the corresponding ground, so that the installation stability of the broken hair floor drain can be ensured.

Further, in this embodiment, the transition ring 40 further includes a support portion 45 disposed inside the side surrounding frame 41, the support portion 45 is used for supporting the floor drain cover plate 20, and the support portion 45 can deform under the action of an external force. Specifically, the supporting portion 45 can deform in the vertical direction, and when the floor drain cover plate is assembled, the deformation amount of the supporting portion 45 is adjusted, so that the supporting portion 45 can be attached to the bottom surface of the floor drain cover plate 20, and the overall stability of the floor drain cover plate 20 can be guaranteed. For example, in the present embodiment, the side surrounding frame 41 is square, the supporting portions 45 are respectively disposed on the inner side of the side surrounding frame 41 corresponding to four corners, each supporting portion 45 includes two supporting units separated from each other, and thus, each supporting unit can be deformed easily. And through the cooperation of a plurality of supporting parts 45, can play stable supporting role to floor drain apron 20.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims (10)

1. The floor drain adapter ring is characterized by being arranged between a floor drain base and a floor drain cover plate, and comprising a ring body and a limiting part arranged on the circumferential direction of the ring body, wherein the ring body is accommodated in a water inlet hole of the floor drain base, the limiting part is lapped on the top surface of the floor drain base, a limiting groove matched with the limiting part is arranged on the circumferential direction of the floor drain cover plate, and the limiting part is in limiting fit with the limiting groove.

2. The floor drain adapter ring according to claim 1, wherein at least two limiting portions are arranged at intervals in the circumferential direction of the ring body, at least two limiting grooves are arranged in the circumferential direction of the floor drain cover plate, and the limiting portions and the limiting grooves are arranged in a one-to-one correspondence manner.

3. The floor drain adapter ring of claim 2, wherein the limiting portions are spaced and evenly arranged along a circumference of the ring body.

4. The floor drain adapter ring according to claim 1, wherein the inner circumferential surface of the water inlet hole is provided with a limit step, and the ring body is lapped on the limit step.

5. The floor drain adapter ring according to any one of claims 1 to 4, further comprising an extension foot, wherein one end of the extension foot is connected with the limiting part, the other end of the extension foot bends and extends towards the bottom surface of the floor drain base, the extension foot is used for limiting the floor drain adapter ring in the floor drain base, and the extension foot can deform under the action of external force.

6. The floor drain adaptor ring of claim 5 wherein said extension foot comprises a plurality of joints and connecting portions arranged alternately along the length direction, the thickness of said connecting portions being less than the thickness of said joints.

7. A hair breaking floor drain is characterized by comprising a shearing mechanism, a floor drain cover plate and the floor drain adapter ring as claimed in any one of claims 1 to 6, wherein the floor drain cover plate is connected to the bottom of the shearing mechanism, and is arranged on a floor drain seat through the floor drain adapter ring.

8. The floor drain of claim 7, further comprising a transition ring, wherein the transition ring comprises a side frame and a support plate disposed at an inner edge of a bottom of the side frame, a receiving groove is formed between the side frame and the support plate, the support plate is pressed against a top surface of the floor drain base, a ring body of the floor drain adapter ring is received in the central hole of the side frame, and a limit portion of the floor drain adapter ring is overlapped on the support plate and received in the receiving groove.

9. The floor drain of claim 8, wherein the transition ring further comprises a folded edge disposed outside the side enclosing frame, the folded edge is inclined from top to bottom towards a side far away from the side enclosing frame, and the folded edge can deform in the vertical direction.

10. The floor drain of claim 8 or 9, wherein the transition ring further comprises a support part arranged on the inner side of the side surrounding frame, the support part is used for supporting the floor drain cover plate, and the support part can deform under the action of external force.

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